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Conduit fill Calculations #219842
12/08/18 08:37 PM
12/08/18 08:37 PM
G
George Little  Offline OP
Member
Joined: Jan 2004
Posts: 1,493
Michigan USA
1-1/4 in EMT #1 THHN Table C4 allows 4 conductors. This exceeds the 40% fill limit per Table 1 Why is this allowed?


George Little
2017 / 2014 NEC & Related Books and Study Guides
Re: Conduit fill Calculations [Re: George Little] #219843
12/08/18 09:39 PM
12/08/18 09:39 PM
G
gfretwell  Offline

Member
Joined: Jul 2004
Posts: 9,343
Estero,Fl,usa
Dunno, when I run it I get 1.59 sq in and a 1.25 EMT is 1.50
Didn't someone just tell me NFPA was infallible wink


Greg Fretwell

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